荆门市金象立交改造工程上跨桥梁与箱式通道桥台组合方案设计

Design of Combining Scheme for Overpass Girder and Box Access Abutment in Lingmen City Jinxiang Interchange Reconstruction Project

摘要:

荆门市金象立交桥位于金虾路上跨象山大道位置，按规划，象山大道在该节点布置双舱室综合管廊，并拓宽机动车道。由于既有金象立交桥不能满足象山大道规划要求，因此需要对既有金象立交桥进行改造。现对改造方案进行了详细比选，论述了各方案的优缺点，并对推荐方案的结构设计进行了介绍。其成果可为类似桥梁改造工程提供参考。

Abstract:

Lingmen City Jinxiang Interchange is located at the position of Jinxia Road spanning Xiangshan Avenue. According to the planning, the double-cabin utility tunnel is arranged at this node of Xiangshan Avenue, and the motored vehicle lanes are widened. The conditions of the existing Jinxiang Interchange cannot meet the planning requirements of Xiangshan Avenue. Therefore, it is required to reconstruct the existing Jinxiang Interchange. The reconstruction schemes are compared in detail, and the advantages and disadvantages of each scheme are discussed. And the structural design of the recommended scheme is introduced. The reference can be provided for the similar bridge reconstruction projects.